CN205946502U - Flexible circuit board and display device - Google Patents
Flexible circuit board and display device Download PDFInfo
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- CN205946502U CN205946502U CN201620865014.4U CN201620865014U CN205946502U CN 205946502 U CN205946502 U CN 205946502U CN 201620865014 U CN201620865014 U CN 201620865014U CN 205946502 U CN205946502 U CN 205946502U
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- screened film
- components
- flexible body
- parts group
- flexible
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Abstract
The utility model relates to a flexible circuit board and display device, this flexible circuit board include flexible body and set up in the last screened film of flexible body, the last components and parts group that is provided with of flexible body, the screened film set up in flexible body is provided with the surface of components and parts group, just the screened film covers components and parts group. Above -mentioned flexible circuit board covers components and parts group through making the screened film, can avoid components and parts to organize the electromagnetic interference that the during operation produced, also can avoid the normal work of electromagnetic interference components and parts group simultaneously, is favorable to improving the antenna effect, promotes the display effect, just compares through the technique of dodging the district in the chase design for the tradition, and the cost is lower, changes in the realization.
Description
Technical field
This utility model is related to display technology field, more particularly to a kind of flexible PCB and display device.
Background technology
With the development of modern cell phones, for the requirement also more and more higher of mobile phone, pursuing, communication quality is good for consumer, screen
Curtain is big, it is also desirable to mobile phone is more frivolous while brightness is high.In order to cater to the market demand, the designers of mobile phone are also as far as possible
Ground compression mobile phone space, in this process, generally requires the another question that overcomes it is simply that antenna for mobile phone and display screen
The problem of EMI (electromagnetic interference).And this problem is more serious with display screen and furthering of antenna distance.
Consider from the source of EMI, this interference mostlys come from two aspects：1st, current intelligent machine is all to adopt
MIPI interface, the speed ratio of transmission is very fast, when FPC (flexible PCB) cabling is bad, or when grounding is bad it is easy to
To the electromagnetic wave of external radiation characteristic frequency, and the signal generation that this electromagnetic wave is possible to antenna is received some frequency ranges is dry
Disturb.2nd, some components and parts will be pasted on usual FPC, come the driving IC boosting for module, voltage stabilizing, caching etc. and act on.When this portion
Point components and parts are in the electromagnetic wave that will launch different frequency when work is posed, if not doing any protection will and handss
Machine antenna, bluetooth, wifi etc. produce interference, thus affecting the normal work of mobile phone.
For the first interference, by adjusting the transfer rate of MIPI signal and electromagnetic shielding film, attention being increased on FPC
The methods such as MIPI cabling are substantially all can be with solve problem.But for second interference, during components and parts work the interference that brings and
Disturbed, some shielding measures can only be done, generally using chase, whole device area is covered.But chase generally ratio is larger, handss
Generator terminal must do larger avoidance space, on the other hand assembles relatively difficult, also on the one hand relatively costly.
Utility model content
Based on this, for the problems referred to above it is necessary to provide a kind of flexible PCB and display device, to avoid components and parts group
The electromagnetic interference producing during work, avoids radiofrequency signal to disturb the normal work of components and parts group simultaneously.
A kind of flexible PCB, including flexible body and be arranged at screened film in described flexible body, described flexible this
Components and parts group is provided with body, described screened film is arranged at the surface that described flexible body is provided with described components and parts group, and institute
State screened film and cover described components and parts group.
Wherein in an embodiment, described components and parts group is additionally provided with insulating barrier away from the surface of described flexible body,
Described insulating barrier covers described components and parts group, and described screened film covers described insulating barrier.
Wherein in an embodiment, described flexible body is additionally provided with Lu Tong area, described screened film passes through described dew
Copper area is electrically connected with described flexible body.
Wherein in an embodiment, described screened film includes insulating carrier and is arranged at the metal on described insulating carrier
Layer, described metal level is fitted with described flexible body away from the surface of described insulating carrier.
Wherein in an embodiment, described screened film also includes conductive adhesive layer, and described conductive adhesive layer is arranged at described gold
Belong to the surface away from described insulating carrier for the layer, described screened film is attached in described flexible body by described conductive adhesive layer.
Wherein in an embodiment, described screened film also includes protective layer, and described protective layer is arranged at described conducting resinl
Layer is away from the surface of described metal level.
Wherein in an embodiment, described flexible body also includes cabling area, described cabling area is located at described unit device
The periphery of part group, described screened film covers described cabling area.
Wherein in an embodiment, the appearance profile of described screened film is identical with the appearance profile of described flexible body.
A kind of display device, including the flexible PCB described in any of the above-described.
Above-mentioned flexible PCB, covers components and parts group by making screened film, and components and parts group can be avoided to produce when working
Electromagnetic interference, also can avoid the normal work of Electromagnetic Interference components and parts group simultaneously, be conducive to improving antenna effects, lifting display
Effect, and with respect to tradition by chase design avoid area technology compare, cost relatively low it is easier to realization.
Brief description
Fig. 1 is the structural representation of the flexible PCB of this utility model one embodiment；
Fig. 2 is the structural representation of the screened film of this utility model one embodiment.
Specific embodiment
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Elaborate a lot of details in order to abundant in the following description
Understand this utility model.But this utility model can be much to implement different from alternate manner described here, this area
Technical staff can do similar improvement without prejudice in the case of this utility model intension, and therefore this utility model is not subject to following public affairs
The restriction being embodied as opened.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or can also there is element placed in the middle.When an element is considered as " connection " another element, it is permissible
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level
", "left", "right" and similar statement for illustrative purposes only, being not offered as is unique embodiment.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.In term used in the description of the present utility model it is simply herein
The purpose of description specific embodiment is it is not intended that in limiting this utility model.Term as used herein " and/or " bag
Include the arbitrary and all of combination of the Listed Items of one or more correlations.
Refer to Fig. 1, it is the structural representation of the flexible PCB 10 of this utility model one embodiment.
Flexible PCB 10 includes：Flexible body 100 and be arranged at screened film 200 in described flexible body 100, described
Components and parts group 110 is provided with flexible body 100, described screened film 200 is arranged at described flexible body 100 and is provided with described unit
The surface of device group 110, and described screened film 200 covers described components and parts group 110.For example, components and parts group 110 includes boosting
The components and parts such as IC, FLASH (flash memory), electric capacity, resistance.
Above-mentioned flexible PCB 10, covers components and parts group 110 by making screened film 200, and components and parts group can be avoided to work
When the electromagnetic interference that produces, also can avoid the normal work of Electromagnetic Interference components and parts group 110 simultaneously, be conducive to improving antenna effect
Really, lift display effect, and compared by the technology in chase design avoidance area with respect to tradition, cost relatively low it is easier to real
Existing.
Further, described components and parts group 110 is additionally provided with insulating barrier 120, institute away from the surface of described flexible body 100
State insulating barrier 120 and cover described components and parts group 110, described screened film 200 covers described insulating barrier 120, for example, insulating barrier 120
Surface area be more than region shared by components and parts group 110 area.By arranging insulating barrier 120, can avoid components and parts group 110 with
It is electrically connected between screened film 200 and cause short circuit.For example, insulating barrier 120 is that insulation wheat is drawn.
Further, described flexible body 100 is additionally provided with Lu Tong area (not shown), described screened film 200 passes through institute
Shu Lutong area is electrically connected with described flexible body 100, to ensure that screened film 200 electrically connected with flexible body 100.
Further, described flexible body 100 also includes cabling area 130, described cabling area 130 is located at described components and parts
The periphery of group 110, described screened film 200 covers described cabling area 130, to prevent Electromagnetic Interference from arriving the signal in cabling area 130
Propagate.Specific in the present embodiment, the profile of screened film 200 is identical with the profile of flexible body 100, and screened film 200 covers soft
The cabling area 130 of property body 100 and components and parts group 110, to be avoided as much as the interference of electromagnetic wave.
Specific in the present embodiment, the flexible body 100 after the completion of producing first is opened up the Lu Tong area for ground connection, then
Be sticked in flexible body 100 components and parts group 110 again, and then the surface in components and parts group 110 is sticked insulating barrier 120, makes insulating barrier
120 covering components and parts groups 110, finally, screened film 200 are pressed together in flexible body 100, make screened film 200 cover components and parts
Group 110 and cabling area 130.
Refer to Fig. 2, it is the structural representation of the screened film 200 of this utility model one embodiment.Described screened film 200
Including insulating carrier 210 and be arranged at metal level 220 on described insulating carrier 210, described metal level 220 is away from described insulation
Fitted with described flexible body 100 in the surface of carrier 210.For example, insulating carrier 210 can adopt polyester material (PET) etc., insulation
The thickness of carrier 210 can be 50 microns.Metal level 220 is conducting metal, such as Copper Foil, and the thickness of metal level 220 is 0.2 micron of left side
Right.
Specifically, described screened film 200 also includes conductive adhesive layer 230, and described conductive adhesive layer 230 is arranged at described metal level
220 away from described insulating carrier 210 surface, described screened film 200 by described conductive adhesive layer 230 be attached at described flexible this
On body 100.For example, conductive adhesive layer 230 includes resin and is scattered in the conductive particle in resin.This resin is selected from asphalt mixtures modified by epoxy resin
One of fat, acrylic resin, organic siliconresin, polyimide resin, phenolic resin and polyurethane.Conductive particle is selected from
One of gold, silver, copper, aluminum, zinc, ferrum, nickel, graphite and conductive compound.Metal level 220 passes through leading in conductive adhesive layer 230
Electric granule is electrically connected with flexible body 100.
Specifically, described screened film 200 also includes protective layer 240, and described protective layer 240 is arranged at described conductive adhesive layer
230 away from described metal level 220 surface, when described screened film 200 is fitted with described flexible body 100, first tear off described
Protective layer 240.Protective layer 240 is used for protecting conductive adhesive layer 230.
Above-mentioned flexible PCB 10, covers components and parts group 110 by making screened film 200, and components and parts group can be avoided to work
When the electromagnetic interference that produces, also can avoid the normal work of Electromagnetic Interference components and parts group 110 simultaneously, be conducive to improving antenna effect
Really, lift display effect, and compared by the technology in chase design avoidance area with respect to tradition, cost relatively low it is easier to real
Existing.
This utility model also provides a kind of display device, including the flexible PCB 10 described in any of the above-described embodiment.Should
The structure of flexible PCB 10 can refer to above-described embodiment, will not be described here.Naturally, due to the display of the present embodiment
Equipment employs the technical scheme of above-mentioned flexible PCB 10, and therefore to have above-mentioned flexible PCB 10 all of for this display device
Beneficial effect.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope of this specification record.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, some deformation can also be made and improve, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (9)
1. a kind of flexible PCB, including flexible body and be arranged at screened film in described flexible body, described flexible body
On be provided with components and parts group it is characterised in that described screened film is arranged at described flexible body is provided with described components and parts group
Surface, and described screened film covers described components and parts group.
2. flexible PCB according to claim 1 is it is characterised in that described components and parts group is away from described flexible body
Surface is additionally provided with insulating barrier, and described insulating barrier covers described components and parts group, and described screened film covers described insulating barrier.
3. flexible PCB according to claim 2 is it is characterised in that be additionally provided with Lu Tong area in described flexible body,
Described screened film is electrically connected with described flexible body by described Lu Tong area.
4. flexible PCB according to claim 1 is it is characterised in that described screened film includes insulating carrier and is arranged at
Metal level on described insulating carrier, described metal level is fitted with described flexible body away from the surface of described insulating carrier.
5. flexible PCB according to claim 4 is it is characterised in that described screened film also includes conductive adhesive layer, described
Conductive adhesive layer is arranged at the surface away from described insulating carrier for the described metal level, and described screened film is attached by described conductive adhesive layer
In described flexible body.
6. flexible PCB according to claim 5 is it is characterised in that described screened film also includes protective layer, described guarantor
Sheath is arranged at the surface away from described metal level for the described conductive adhesive layer.
7. flexible PCB according to claim 1 is it is characterised in that also include cabling area, institute in described flexible body
State the periphery that cabling area is located at described components and parts group, described screened film covers described cabling area.
8. flexible PCB according to claim 1 is it is characterised in that the appearance profile of described screened film and described flexibility
The appearance profile of body is identical.
9. a kind of display device is it is characterised in that include the flexible PCB any one of claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865014.4U CN205946502U (en) | 2016-08-10 | 2016-08-10 | Flexible circuit board and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865014.4U CN205946502U (en) | 2016-08-10 | 2016-08-10 | Flexible circuit board and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205946502U true CN205946502U (en) | 2017-02-08 |
Family
ID=57922432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620865014.4U Expired - Fee Related CN205946502U (en) | 2016-08-10 | 2016-08-10 | Flexible circuit board and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205946502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738226A (en) * | 2018-05-04 | 2018-11-02 | 华显光电技术（惠州）有限公司 | Flexible circuit board structure, backlight assembly and mobile terminal |
| CN111474750A (en) * | 2020-04-22 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Display module and terminal |
-
2016
- 2016-08-10 CN CN201620865014.4U patent/CN205946502U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738226A (en) * | 2018-05-04 | 2018-11-02 | 华显光电技术（惠州）有限公司 | Flexible circuit board structure, backlight assembly and mobile terminal |
| CN108738226B (en) * | 2018-05-04 | 2020-11-13 | 华显光电技术（惠州）有限公司 | Flexible circuit board structure, backlight assembly and mobile terminal |
| CN111474750A (en) * | 2020-04-22 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Display module and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee after: CHINA DISPLAY OPTOELECTRONICS TECHNOLOGY (HUIZHOU) Co.,Ltd. Address before: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee before: TCL DISPLAY TECHNOLOGY (HUIZHOU) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |